Heterogeneous immunoreactivity of glial cells in the mesencephalon of a lizard: a double labeling immunohistochemical study

Journal of Morphology
M Monzón-MayorG Gombos

Abstract

Astrocytes and radial glia coexist in the adult mesencephalon of the lizard Gallotia galloti. Radial glia and star-shaped astrocytes express glial fibrillary acidic protein (GFAP) and glutamine synthetase (GS). The same cell markers are also expressed by round or pear-shaped cells that are therefore astrocytes with unusual morphology. Other round or pear-shaped cells, also scattered in the tegmentum and the tectum, display only GS. Electron microscopy reveals that these cells may be oligodendrocytes. In this lizard, the GS is expressed in some oligodendrocytes while this does not occur in the central nervous system of mammals in situ. These results confirm that the cellular specificity of GS is different in various species and suggest that ependymal cells are also immunoreactive for GS but they do not contain GFAP.

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Citations

Oct 14, 2005·Anatomy and Embryology·Maurizio Lazzari, Valeria Franceschini
Feb 24, 2007·Journal of Zoo and Wildlife Medicine : Official Publication of the American Association of Zoo Veterinarians·Zoltan S GyimesiRobert Nordhausen
Oct 1, 2009·Archives of Histology and Cytology·Sang Wook ParkSa Sun Cho
Sep 16, 2003·Journal of Neurobiology·María del Mar Romero-AlemánCiro Negrín-Martínez
Aug 5, 2003·The Journal of Comparative Neurology·Samir AhbouchaHalima Gamrani
Mar 31, 2007·Journal of Neuroscience Research·Hong Zhu, Annica Dahlström
Sep 23, 2018·Brain Structure & Function·A Docampo-SearaMiguel Ángel Rodríguez Díaz

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